WenmarOpen by Wenmar Pro

Service bulletin SF503

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10142305
Published by NHTSA2018-06-25
Manufacturer's numberSF503
Manufacturer's date2015-01-01
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY

NHTSA's summary

SF503-DLR Cascadia 1625 Radiator Tuned Mass Absorbers

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Cooling system, Radiator

Vehicles listed
FREIGHTLINER CASCADIA2011, 2012, 2013, 2014

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
sb20782019-04-08. Service bulletin. Cascadia Radiator Strut Rod Rubbing on Upper Radiator Hose
sb20782019-04-08. Service bulletin. Cascadia Radiator Strut Rod Rubbing on Upper Radiator Hose
sb20782019-04-01. Service bulletin. Cascadia Radiator Strut Rod Rubbing on Upper Radiator Hose
sb20782019-04-01. Service bulletin. Cascadia Radiator Strut Rod Rubbing on Upper Radiator Hose
sb20832018-06-18. Service bulletin. sb2083 FluidXchange Tool and FittingsB
sb20782018-06-18. Service bulletin. sb2078 Cascadia Radiator Strut Rod Rubbing on Upper RadiatorHose
sb20772018-06-18. Service bulletin. sb2077 Tuned Mass Absorber Installation, Cascadia with 1625 sq in Radiator
sb20742018-06-18. Service bulletin. sb2074 Kysor Fan Clutch Rocking Runout Inspection
sb20692018-06-18. Service bulletin. sb2069 Kysor Fan Clutch Sticking
20-732018-06-11. Service bulletin. 20-73 - Cascadia Radiator Update?EPA10